/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.server.applicationhistoryservice.metrics
.loadsimulator.data;
import java.util.ArrayList;
import java.util.Collection;
/**
* AppMetrics is a class that helps to create properly initialized metrics for
* current app. It also holds the
* metrics and can be serialized to json.
*/
public class AppMetrics {
private final Collection<Metric> metrics = new ArrayList<Metric>();
private final transient ApplicationInstance applicationId;
private final transient long startTime;
public AppMetrics(ApplicationInstance applicationId, long startTime) {
this.applicationId = applicationId;
this.startTime = startTime;
}
public Metric createMetric(String metricName) {
return new Metric(applicationId, metricName, startTime);
}
public void addMetric(Metric metric) {
metrics.add(metric);
}
}